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US20150135835 TWIN TRAWL GEOMETRY  
A system for monitoring a twin trawl being towed by a vessel, the twin trawl comprising two trawl bags, two trawl doors and a clump, comprises at least one sensor arrangement for measuring...
US20080208483 Sonar-Based Flow Meter Operable To Provide Product Identification  
An apparatus and method for identifying one or more fluid products flowing within a pipe are provided having a flow meter mounted on the pipe and a processing unit. The flow meter has a plurality...
US20140020468 Ultrasonic Measurement  
Methods and apparatus relate to ultrasound measurement of a dimension such as the thickness (11) of an item (12) which may be worn over time by contact with an item (14). An ultrasonic transceiver...
US20140318251 METHOD FOR MEASURING ELASTIC PROPERTIES USING ULTRASOUND  
A method measuring elastic properties using ultrasound of a part made of a material having a curved surface, includes: emission of bundles of ultrasound waves in a direction of a point of impact...
US20100319454 METHOD AND SYSTEM FOR DETERMINING YOUNG'S MODULUS AND POISSON'S RATIO FOR A CRYSTALLINE MATERIAL  
There is disclosed a method and system for determining Young's modulus and Poisson's ratio for an electrically conductive crystalline material. In general, one or more surface acoustic waves are...
US20110028838 Method and Apparatus for Measuring a Physical Parameter in Mammal Soft Tissues by Propagating Shear Waves  
Method for measuring a physical parameter in soft tissues of a mammal, in which a mechanical shear wave is propagated through the soft tissues and observation of the propagation leads to determine...
US20110226062 METHOD AND APPARATUS FOR DETERMINING THE PRELOAD FOR SCREWS FOR DENTAL IMMPLANT SYSTEMS  
A method and apparatus are provided for determining the preload in a dental implant system. The preload is determined by transmitting a sonic impulse, which is preferably an ultrasonic impulse, at...
US20110061464 Method and Device for Determining Ultrasonic Detecting Cycle  
A method for determining an ultrasonic detecting cycle is provided. Firstly, an initial detecting cycle T is set. Then, a first sensing wave is generated. Then, a first time-of-flight value is...
US20140174187 SYSTEM FOR MEASURING PRESSURE AND TEMPERATURE  
The present invention relates to system for measuring pressure and temperature based on change in the characteristic properties of a medium for ultrasound under the effect of pressure and...
US20120055251 Ultrasonic Testing Method  
An ultrasonic testing method is provided to measure a thickness of an object in a simple and highly accurate manner when crystal grains that form a metal solidification structure of a...
US20100313663 STRESS-WAVE SENSOR MODULE, STRESS-WAVE SENSOR, AND METHOD FOR DETECTING A VEHICLE COLLISION EVENT UTILIZING THE STRESS-WAVE SENSOR  
A stress-wave sensor module, a stress-wave sensor, and a method for detecting a vehicle collision event utilizing the stress-wave sensor are provided. The stress-wave sensor has first and second...
US20150160166 NON-DESTRUCTIVE ULTRASOUND TESTING OF STRUCTURES MADE OF COMPOSITE MATERIAL  
The invention relates to a diagnostic apparatus 1 for detecting delamination in the thickness of a panel of laminated composite. The diagnostic apparatus can be used to inspect a panel having a...
US20090114022 Electromagnetic Acoustic Transducer Using Magnetic Shielding  
A combined electromagnetic acoustic transducer (EMAT) is disclosed that uses magnetic shielding to increase the efficiency (defined as the received signal per unit of excitation current). In...
US20150033862 METHOD FOR CHARACTERISING THE MECHANICAL BEHAVIOUR OF CEMENTS  
The present invention relates to a method for determining mechanical parameters of a cementitious system, on the basis of time, and on the basis of the fineness of the cementitious system,...
US20150198565 METHOD OF CHARACTERIZING AN OBJECT INCLUDING, AT LEAST LOCALLY, A PLANE OF SYMMETRY  
A method of characterizing an object that includes, at least locally, a plane of symmetry, the method including performing at least one observation of ultrasound transmitted through the object,...
US20090199641 NON-CONTACT ULTRASOUND MATERIALS SYSTEMS AND MEASUREMENT TECHNIQUES  
Apparatus for determining the speed of sound through a specimen comprises an ultrasound sending transducer, an ultrasound receiving transducer, a pair of laser distance sensors, a display device,...
US20150135836 GUIDED WAVE MODE SWEEP TECHNIQUE FOR OPTIMAL MODE AND FREQUENCY EXCITATION  
A method of inspecting a structure is disclosed. The method generally comprises selecting a search region of a dispersion curve of the structure corresponding to one or more inspection parameters....
US20090078046 Determining Average Mechanical Properties of Constituent Particles of a Sample of Material Using Ultrasound  
The average strength or Young's modulus of the constituent particles of a sample is determined from the measured speed of sound propagated from a source through the sample to a receiver. Other...
US20090006005 METHOD AND DEVICE FOR ON-LINE ACOUSTIC MONITORING OF FOAM AND AERATED FLUID PROPERTIES  
A method and device for on-line foam quality acoustic monitoring are suggested. As per the invention, the method provides for the following: at least one emitter/receiver pair is placed in a close...
US20140202249 SENSOR POSITIONIG WITH NON-DISPERSIVE GUIDED WAVES FOR PIPELINE CORROSION MONITORING  
An ultrasonic sensor assembly for testing a pipe includes a first and second transducer rings attached to the pipe and spaced apart along a length of the pipe. The first transducer ring includes a...
US20100043557 ULTRASONIC DETERMINATION OF OPTICAL ABSORPTION COEFFICIENTS  
The invention relates to an examination apparatus and a method for the determination of optical coefficients, particularly of the optical absorption coefficient (μa) in an object (1) like the body...
US20050241396 Simple method for electronically damping resonant transducers  
A method for electronically damping an oscillator of a resonant transducer in which a first electrical pulse is applied to the resonant transducer, oscillating the oscillator, thereby forming a...
US20060207329 Ultrasonic evaluation of the strength of flour doughs  
A method of determining dough strength and predicting loaf quality is herein described. The method involves propagating an ultrasound signal through a sample of dough and determining the transit...
US20080127728 MECHANICAL RESPONSE BASED DETONATION VELOCITY MEASUREMENT SYSTEM  
A pulse detonation device contains a detonation chamber and a propagation portion, and a plurality of mechanical response gauges coupled to an exterior surface of at least one of the detonation...
US20130139598 Reference Free Inconsistency Detection System  
A method and apparatus for identifying an inconsistency. A number of waves that propagate through a structure are generated. A response signal is generated in response to detecting at least a...
US20090056453 SHEAR MODULUS ESTIMATION BY APPLICATION OF SPATIALLY MODULATED IMPULSE ACOUSTIC RADIATION FORCE APPROXIMATION  
A method for determining a shear modulus of an elastic material with a known density value is provided. In this method, a spatially modulated acoustic radiation force is used to initially generate...
US20090266165 SELF-CALIBRATING METHOD FOR MEASURING THE DENSITY AND VELOCITY OF SOUND FROM TWO REFLECTIONS OF ULTRASOUND AT A SOLID-LIQUID INTERFACE  
A method for determining a velocity and density of a fluid without requiring the transmission of ultrasound through the fluid, and a system for performing such a method. The method involves the...
US20090235748 Acoustic method and system of measuring material loss from a solid structure, uses thereof and a software product  
A method is described for measuring an amount of loss of material thickness from a solid structure in which acoustic waves can propagate. The structure is in operation in contact with substances...
US20100170342 Method for Rheological Characterization of a Viscoelastic Medium  
Method for rheological characterization of a viscoelastic medium, comprising the following steps: (a) an excitation step during which a vibratory excitation is generated in the viscoelastic medium...
US20110288795 METHOD AND SYSTEM FOR DETERMINING THE TIME-OF-FLIGHT OF AN ACOUSTIC SIGNAL  
A method of estimating the time and flight of an acoustic signal transmitted by a transmit acoustic transducer determines a difference in time between receiving the transmitted acoustic signal and...
US20120204647 AIRBORNE ULTRASONIC SENSOR  
An airborne ultrasonic sensor is obtained in which a sensor body and a housing have an integrated structure, and which can reduce spurious waves which propagate through the housing to arrive at...
US20150040671 STRUCTURAL HEALTH MONITORING SYSTEM AND METHOD  
A method includes: transmitting, via a signal generator, an electrical driving signal, the electrical driving signal having a mean square error; transmitting, via a wave generating component, a...
US20090007674 APPARATUS AND METHOD FOR IMAGING SHEAR MODULUS WITHIN A BODY  
An apparatus and method for imaging a shear modulus within a body is disclosed. A method for imaging a shear modulus in accordance with the present invention includes generating an elastic wave...
US20120198937 ULTRASONIC WAVE TRANSMITTER DEVICE, ULTRASONIC WAVE PROPAGATION TIME MEASUREMENT SYSTEM AND ULTRASONIC WAVE PROPAGATION TIME MEASUREMENT METHOD  
An ultrasonic wave transmitter device includes an ultrasonic wave driving circuit that modulates an ultrasonic wave based on a pseudorandom signal to generate an ultrasonic wave driving signal,...
US20150153311 SYSTEM FOR MEASURING PROPAGATION VELOCITY OF SOUND WAVE AND METHOD OF MEASURING PROPAGATION VELOCITY OF SOUND WAVE  
The present invention provides an apparatus for measuring the propagation velocity of a sound wave that may easily and accurately measure the propagation velocity of a sound wave in the horizontal...
US20090007677 Ultrasonic distance measurement with high peak and low peak detection  
Present invention provides an improved ultrasonic receiving unit for ultrasonic distance measurement. The ultrasonic receiving features a high peak detection unit 120, a low peak detection unit...
US20130098157 ULTRASONIC SENSOR  
As a transmitting horn or a receiving horn attached to a transmission element or a reception element of an ultrasonic sensor, a horn enclosure with two acoustic horn bodies having a dimensional...
US20110153083 HYDRATE MONITORING SYSTEM  
A method for analysing a fluid containing one or more analytes of interest includes; measuring a plurality of properties of a sample fluid with unknown concentrations of the one or more analytes...
US20070000328 Ultrasonic method for the accurate measurement of crack height in dissimilar metal welds using phased array  
An ultrasonic method and apparatus utilizing phased array technology for obtaining accurate crack height measurements in materials where crystallographic structure creates beam reduction effects.
US20080229832 AUTOMATIC TIME-OF-FLIGHT SELECTION FOR ULTRASOUND TOMOGRAPHY  
Ultrasound sound-speed tomography requires accurate picks of time-of-flights (TOFs) of transmitted ultrasound signals, however, manual picking on large datasets is time-consuming. An improved...
US20140331771 Ultrasonic Measurement System  
Disclosed is an ultrasonic measurement system that even without additional means for temperature measurement, compensates for a change in a sound speed of an ultrasonic wave in a section whose...
US20080163690 Measuring a Sample  
A sample 10 is measured by generating ultrasound at 12, for example by using a laser 22 and spatial light modulator 26. The ultrasound is detected at 16, for example by optical beam deflection...
US20090165561 Ultrasonic Wave Propagating Method and Ultrasonic Propagating Device and Ultrasonic Testing Device Using This Method  
An ultrasonic wave propagating method capable of propagating plate waves between a probe and a test piece despite variations in the thickness or the surface angle of a test piece, and an...
US20100005890 METHOD OF DETERMINING PROPAGATION TIME OF ULTRASONIC FROM MOVABLE BODY AND SYSTEM THEREOF  
For precisely determining a position of an electronic pen using ultrasonic, only a direct wave arriving first at a reception device is detected without being affected by a reflected wave of an...
US20080196505 BODY HEIGHT MEASURING APPARATUS  
A body height measuring apparatus including a measuring bar and ground mainframe. An operational control module and ultrasonic body height measuring module are provided in the measuring bar and...
US20080302187 Vibroacoustic System for Vibration Testing  
Forces are applied to a device under test and its mechanical response is measured by a laser vibrometer (50). The forces are applied without making physical contact with the device by producing an...
US20120186348 ULTRASONIC MEASURING METHOD AND ULTRASONIC MEASURING SYSTEM  
In an ultrasonic measuring method for measuring the thickness of a coating material applied by coating to one surface or both surfaces of a substrate made of a metal so as to provide a coated...
US20100043556 SYSTEMS AND METHODS FOR MEASURING THE SPECIFIC MODULUS OF CELLULAR CERAMIC BODIES  
Systems (50) and methods for measuring and displaying a visual and/or graphical representation of the specific modulus (E/ρ) of a cellular ceramic body (10), such as those used to form particulate...
US20060108153 Device for measuring load in a vehicle  
A device for measuring weight in a vehicle includes an expansion unit which becomes elongated under the influence of the weight being measured, and a sensor system which determines the elongation...
US20080047347 ULTRASONIC STRESS MEASURING APPARATUS  
After a probe control means causes a longitudinal wave probe to carry out transmission and reception, it slides a shear wave probe to the same position. The probe control means rotates the shear...
Matches 1 - 50 out of 136 1 2 3 >